While we were all in lockdown last year, two new winter colonies were discovered

That time I interviewed Lincoln Brower on a mountaintop in Mexico

Does tourism negatively impact the monarch winter colonies in Mexico? A study attempted to find out

I study monarchs for a living. I no longer pay attention to the winter colony data. Here's why.

Food for thought: are eastern monarchs better off because the location of the winter sites is known?

Observations of straggler migrants on the Florida panhandle

What does the size of the Mexican overwintering colonies mean for this summer's population size

Revisiting one of my favorite Lincoln Brower papers about monarch migration

New monarch study gives a behind-the-scenes look into the scientific peer-review process

Straggler migrants and what to do with them